Cheap flights from Kathmandu to Washington, D.C. from $682

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Washington, D.C. departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Kathmandu to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
53h 00m
2 stops
Multiple Airlines Logo
10:55 am - 6:10 pm
IAD
-
KTM
45h 30m
2 stops
$1,225Multiple Airlines
Tue, Jul 14 - Wed, Oct 21
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
53h 00m
2 stops
Multiple Airlines Logo
10:55 am - 6:10 pm
IAD
-
KTM
45h 30m
2 stops
$1,227Multiple Airlines
Tue, Jul 14 - Wed, Oct 21
Multiple Airlines Logo
1:30 pm - 7:25 pm
KTM
-
IAD
39h 40m
2 stops
Multiple Airlines Logo
10:20 pm - 11:25 pm
IAD
-
KTM
39h 20m
2 stops
$1,245Multiple Airlines
Mon, Jul 27 - Fri, Aug 28
Air India Logo
7:35 am - 10:59 pm
KTM
-
DCA
49h 09m
3 stops
Air India Logo
6:10 am - 12:05 am
DCA
-
KTM
32h 10m
2 stops
$1,566Air India
Fri, Jul 24 - Fri, Aug 28
Qatar Airways Logo
3:30 pm - 7:04 pm
KTM
-
DCA
37h 19m
2 stops
Qatar Airways Logo
5:15 pm - 8:20 am
DCA
-
KTM
29h 20m
2 stops
$1,636Qatar Airways
Wed, Jul 15 - Sun, Oct 25
Qatar Airways Logo
3:30 pm - 7:04 pm
KTM
-
DCA
37h 19m
2 stops
Qatar Airways Logo
5:15 pm - 8:20 am
DCA
-
KTM
29h 20m
2 stops
$1,637Qatar Airways
Wed, Jul 15 - Sun, Oct 25
Singapore Airlines Logo
10:50 pm - 6:46 am
KTM
-
BWI
41h 41m
2 stops
Singapore Airlines Logo
8:37 am - 9:50 pm
BWI
-
KTM
50h 28m
2 stops
$2,100Singapore Airlines
Thu, Sep 10 - Sun, Jan 17
Singapore Airlines Logo
10:50 pm - 6:46 am
KTM
-
BWI
41h 41m
3 stops
Singapore Airlines Logo
8:37 am - 9:50 pm
BWI
-
KTM
50h 28m
2 stops
$2,188Singapore Airlines
Thu, Sep 10 - Sun, Jan 17
Korean Air Logo
7:20 pm - 11:13 pm
KTM
-
BWI
37h 38m
2 stops
Korean Air Logo
4:39 pm - 5:45 pm
BWI
-
KTM
63h 21m
2 stops
$2,192Korean Air
Tue, Jul 21 - Sat, Oct 24
Korean Air Logo
7:20 pm - 9:26 pm
KTM
-
BWI
35h 51m
2 stops
Korean Air Logo
10:00 am - 5:15 pm
BWI
-
KTM
69h 30m
2 stops
$2,193Korean Air
Tue, Jul 21 - Wed, Oct 21

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Qatar Airways flights from Kathmandu to Washington, D.C.

Our best Qatar Airways deals on Kathmandu to Washington, D.C. flight tickets
Qatar Airways
Jul 13
KTM3:30 pmKathmandu Tribhuvan
27h 00m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl
Jan 6
IAD10:50 amWashington, D.C. Dulles Intl
18h 50m
1 stop
KTM4:25 pmKathmandu Tribhuvan
$1,329
Qatar Airways
Jul 13
KTM3:30 pmKathmandu Tribhuvan
27h 00m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl
Jan 6
IAD10:50 amWashington, D.C. Dulles Intl
18h 50m
1 stop
KTM4:25 pmKathmandu Tribhuvan
$1,330
Qatar Airways
Jul 13
KTM3:30 pmKathmandu Tribhuvan
27h 00m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl
Oct 25
IAD9:05 pmWashington, D.C. Dulles Intl
27h 00m
1 stop
KTM9:50 amKathmandu Tribhuvan
$1,333

Emirates flights from Kathmandu to Washington, D.C.

Our best Emirates deals on Kathmandu to Washington, D.C. flight tickets
Emirates
Jun 29
KTM9:05 amKathmandu Tribhuvan
33h 20m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
Jul 1
IAD10:55 amWashington, D.C. Dulles Intl
22h 15m
1 stop
KTM6:55 pmKathmandu Tribhuvan
$1,625
Emirates
Jul 14
KTM12:35 amKathmandu Tribhuvan
30h 36m
2 stops
BWI9:26 pmBaltimore/Washington
Oct 22
BWI3:04 pmBaltimore/Washington
42h 06m
2 stops
KTM6:55 pmKathmandu Tribhuvan
$2,444
Emirates
Jul 23
KTM9:05 amKathmandu Tribhuvan
46h 06m
2 stops
BWI9:26 pmBaltimore/Washington
Oct 24
BWI3:04 pmBaltimore/Washington
41h 51m
2 stops
KTM6:40 pmKathmandu Tribhuvan
$2,445

momondo Fare Finder

 
Customize your flight search to find flights from Kathmandu to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 25, 2026.
Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 7/14

1:25 pm-8:40 am

2 stops53h 00m

Washington, D.C. Dulles Intl

Wed 10/21

10:55 am-6:10 pm

2 stops45h 30m

$1,225

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 7/14

1:25 pm-8:40 am

2 stops53h 00m

Washington, D.C. Dulles Intl

Wed 10/21

10:55 am-6:10 pm

2 stops45h 30m

$1,227

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 7/27

1:30 pm-7:25 pm

2 stops39h 40m

Washington, D.C. Dulles Intl

Fri 8/28

10:20 pm-11:25 pm

2 stops39h 20m

$1,245

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Fri 7/24

7:35 am-10:59 pm

3 stops49h 09m

Washington, D.C. Reagan-National

Fri 8/28

6:10 am-12:05 am

2 stops32h 10m

$1,566
Quickest round-trip

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Wed 7/15

3:30 pm-7:04 pm

2 stops37h 19m

Washington, D.C. Reagan-National

Sun 10/25

5:15 pm-8:20 am

2 stops29h 20m

$1,636

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Wed 7/15

3:30 pm-7:04 pm

2 stops37h 19m

Washington, D.C. Reagan-National

Sun 10/25

5:15 pm-8:20 am

2 stops29h 20m

$1,637

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Thu 9/10

10:50 pm-6:46 am

2 stops41h 41m

Baltimore/Washington

Sun 1/17

8:37 am-9:50 pm

2 stops50h 28m

$2,100

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Thu 9/10

10:50 pm-6:46 am

3 stops41h 41m

Baltimore/Washington

Sun 1/17

8:37 am-9:50 pm

2 stops50h 28m

$2,188

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Tue 7/21

7:20 pm-11:13 pm

2 stops37h 38m

Baltimore/Washington

Sat 10/24

4:39 pm-5:45 pm

2 stops63h 21m

$2,192

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Tue 7/21

7:20 pm-9:26 pm

2 stops35h 51m

Baltimore/Washington

Wed 10/21

10:00 am-5:15 pm

2 stops69h 30m

$2,193

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Kathmandu to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Kathmandu, with most prices found around $480. If you’re not able to fly to Washington, D.C. in August, then December is your next best option. Flight prices from Kathmandu to Washington, D.C. during December average around $1,064.

How far in advance should I book a flight from Kathmandu to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,508 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Kathmandu for as low as $1,303 on momondo.

How have Kathmandu to Washington, D.C. flight prices changed over time?

As of June 2026, prices for Kathmandu to Washington, D.C. flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kathmandu to Washington, D.C. (KTM to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C.

Fastest flight time

22h 30m

Direct flights

None
The fastest flight from Kathmandu to Washington, D.C. takes 22h 30m
There are no direct flights from Kathmandu to Washington, D.C.. There are no popular flight routes from Kathmandu to Washington, D.C..

Frequently asked questions about flying from Kathmandu to Washington, D.C.

  • How far is Kathmandu Tribhuvan to Washington, D.C. by plane?

    A flight from Kathmandu Tribhuvan to Washington, D.C. will travel around 7689.5 mi. A reasonable flight in good conditions will take 22h 30m.

  • When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

    Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. are refreshed on a daily basis.

  • How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

  • How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kathmandu to Washington, D.C.?

Best airlines flying from Kathmandu to Washington, D.C.

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,241Free CancellationRating
7.3
3,730 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,281Free CancellationRating
7.4
4,421 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,472Free CancellationRating
8.1
3,600 reviews
Search Emirates flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Tysons
Springfield
Fairfax
Bethesda
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Washington, D.C.?

Finding the right flight to Washington, D.C. from Kathmandu is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Kathmandu to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Kathmandu with this policy.

How can momondo help me find flights from Kathmandu to Washington, D.C.?

Once you have performed a search for Kathmandu to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kathmandu to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Kathmandu. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. trip

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1 adult
Sat 7/25
Sat 8/1

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.